DynamoDB: Use CrateDB 5.8.3 for testing. 5.8.4 caught a regression

... with `OBJECT(IGNORED)` columns: They no longer accept `ARRAY`s of
varying types.

CHANGES.md

@@ -1,6 +1,10 @@
 # Changelog
 
 ## Unreleased
+- MongoDB: Fixed BSON decoding of `{"$date": 1180690093000}` timestamps
+- DynamoDB: Use CrateDB 5.8.3 for testing. 5.8.4 caught a regression with
+  `OBJECT(IGNORED)` columns: They no longer accept `ARRAY`s of varying
+  types.
 
 ## 2024/09/30 v0.0.20
 - DynamoDB: Change CrateDB data model to use (`pk`, `data`, `aux`) columns

tests/transform/conftest.py

@@ -9,13 +9,26 @@
 ]
 
 
+@pytest.fixture(scope="session")
+def cratedb_custom_service():
+    """
+    Provide a CrateDB service instance to the test suite.
+    """
+    from cratedb_toolkit.testing.testcontainers.cratedb import CrateDBTestAdapter
+
+    db = CrateDBTestAdapter(crate_version="5.8.3")
+    db.start()
+    yield db
+    db.stop()
+
+
 @pytest.fixture(scope="function")
-def cratedb(cratedb_service):
+def cratedb(cratedb_custom_service):
     """
     Provide a fresh canvas to each test case invocation, by resetting database content.
     """
-    cratedb_service.reset(tables=RESET_TABLES)
-    yield cratedb_service
+    cratedb_custom_service.reset(tables=RESET_TABLES)
+    yield cratedb_custom_service
 
 
 @pytest.fixture